Time-sensitive Personalized Query Auto-Completion

  title={Time-sensitive Personalized Query Auto-Completion},
  author={Fei Cai and Shangsong Liang and Maarten de Rijke},
Query auto-completion (QAC) is a prominent feature of modern search engines. It is aimed at saving user's time and enhancing the search experience. Current QAC models mostly rank matching QAC candidates according to their past popularity, i.e., frequency. However, query popularity changes over time and may vary drastically across users. Hence, rankings of QAC candidates should be adjusted accordingly. In previous work time-sensitive QAC models and user-specific QAC models have been developed… CONTINUE READING
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